#23 Anvil bug and Drops bug

Server Version: PaperSpigot - 1.15.2 Plugin Version: 1.1.26-SNAPSHOT https://hastebin.com/eculixisem.apache <--- Anvil bug on what is being displayed on my console 04.05 10:31:52 [Server] INFO Attila144 issued server command: /dropedit 04.05 10:32:06 [Server] WARN Task #9198 for DropEdit2 v1.1.26-SNAPSHOT generated an exception 04.05 10:32:06 [Server] INFO java.lang.ExceptionInInitializerError: null 04.05 10:32:06 [Server] INFO at de.Linus122.DropEdit.Listeners.lambda$5(Listeners.java:319) ~[?:?] 04.05 10:32:06 [Server] INFO at org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftTask.run(CraftTask.java:84) ~[patched_1.15.2.jar:git-Paper-77] 04.05 10:32:06 [Server] INFO at org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:452) ~[patched_1.15.2.jar:git-Paper-77] 04.05 10:32:06 [Server] INFO at net.minecraft.server.v1_15_R1.MinecraftServer.b(MinecraftServer.java:1185) ~[patched_1.15.2.jar:git-Paper-77] 04.05 10:32:06 [Server] INFO at net.minecraft.server.v1_15_R1.DedicatedServer.b(DedicatedServer.java:423) ~[patched_1.15.2.jar:git-Paper-77] 04.05 10:32:06 [Server] INFO at net.minecraft.server.v1_15_R1.MinecraftServer.a(MinecraftServer.java:1112) ~[patched_1.15.2.jar:git-Paper-77] 04.05 10:32:06 [Server] INFO at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:934) ~[patched_1.15.2.jar:git-Paper-77] 04.05 10:32:06 [Server] INFO at java.lang.Thread.run(Thread.java:748) [?:1.8.0_242] 04.05 10:32:06 [Server] INFO Caused by: java.lang.RuntimeException: Your server version isn't supported in AnvilGUI! 04.05 10:32:06 [Server] INFO at net.wesjd.anvilgui.version.VersionMatcher.lambda$match$1(VersionMatcher.java:47) ~[?:?] 04.05 10:32:06 [Server] INFO at java.util.Optional.orElseThrow(Optional.java:290) ~[?:1.8.0_242] 04.05 10:32:06 [Server] INFO at net.wesjd.anvilgui.version.VersionMatcher.match(VersionMatcher.java:47) ~[?:?] 04.05 10:32:06 [Server] INFO at net.wesjd.anvilgui.AnvilGUI.<clinit>(AnvilGUI.java:34) ~[?:?] 04.05 10:32:06 [Server] INFO ... 8 more When I add a lore manually it works but the drops do not come out, no issues displayed on console. Once I did add an item to the mob nothing from the mob drops to what I've set it as.